fócasach
Irish
Etymology
From fócas (“focus”) + -ach (adjectival suffix).
Adjective
fócasach (genitive singular masculine fócasaigh, genitive singular feminine fócasaí, plural fócasacha, not comparable)
- (medicine) focal
Declension
Declension of fócasach
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | fócasach | fhócasach | fócasacha; fhócasacha² | |
| Vocative | fhócasaigh | fócasacha | ||
| Genitive | fócasaí | fócasacha | fócasach | |
| Dative | fócasach; fhócasach¹ | fhócasach; fhócasaigh (archaic) | fócasacha; fhócasacha² | |
| Comparative | níos fócasaí | |||
| Superlative | is fócasaí | |||
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
Derived terms
- fad fócasach (“focal length”)
- pointe fócasach (“focal point”)
Mutation
| Irish mutation | ||
|---|---|---|
| Radical | Lenition | Eclipsis |
| fócasach | fhócasach | bhfócasach |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||
Further reading
- "fócasach" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
- “focal” in New English-Irish Dictionary by Foras na Gaeilge.